iwlwifi: move hcmd related code to separate file
Wey-Yi Guy [Tue, 16 Mar 2010 17:23:31 +0000 (10:23 -0700)]
Multiple iwlagn based devices shared the same hcmd related functions.
Move from iwl-5000.c to iwl-agn-hcmd.c file.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>

drivers/net/wireless/iwlwifi/Makefile
drivers/net/wireless/iwlwifi/iwl-1000.c
drivers/net/wireless/iwlwifi/iwl-5000.c
drivers/net/wireless/iwlwifi/iwl-6000.c
drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c [new file with mode: 0644]
drivers/net/wireless/iwlwifi/iwl-agn.h

index cc4fe20..46fad2d 100644 (file)
@@ -10,7 +10,7 @@ CFLAGS_iwl-devtrace.o := -I$(src)
 # AGN
 obj-$(CONFIG_IWLAGN)   += iwlagn.o
 iwlagn-objs            := iwl-agn.o iwl-agn-rs.o iwl-agn-led.o iwl-agn-ict.o
-iwlagn-objs            += iwl-agn-ucode.o
+iwlagn-objs            += iwl-agn-ucode.o iwl-agn-hcmd.o
 
 iwlagn-$(CONFIG_IWL4965) += iwl-4965.o
 iwlagn-$(CONFIG_IWL5000) += iwl-5000.o
index 283c4ed..67d8513 100644 (file)
@@ -220,8 +220,8 @@ static struct iwl_lib_ops iwl1000_lib = {
 static const struct iwl_ops iwl1000_ops = {
        .ucode = &iwlagn_ucode,
        .lib = &iwl1000_lib,
-       .hcmd = &iwl5000_hcmd,
-       .utils = &iwl5000_hcmd_utils,
+       .hcmd = &iwlagn_hcmd,
+       .utils = &iwlagn_hcmd_utils,
        .led = &iwlagn_led_ops,
 };
 
index bea2f46..8aa382e 100644 (file)
@@ -165,108 +165,6 @@ u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv)
 
 }
 
-static void iwl5000_gain_computation(struct iwl_priv *priv,
-               u32 average_noise[NUM_RX_CHAINS],
-               u16 min_average_noise_antenna_i,
-               u32 min_average_noise,
-               u8 default_chain)
-{
-       int i;
-       s32 delta_g;
-       struct iwl_chain_noise_data *data = &priv->chain_noise_data;
-
-       /*
-        * Find Gain Code for the chains based on "default chain"
-        */
-       for (i = default_chain + 1; i < NUM_RX_CHAINS; i++) {
-               if ((data->disconn_array[i])) {
-                       data->delta_gain_code[i] = 0;
-                       continue;
-               }
-
-               delta_g = (priv->cfg->chain_noise_scale *
-                       ((s32)average_noise[default_chain] -
-                       (s32)average_noise[i])) / 1500;
-
-               /* bound gain by 2 bits value max, 3rd bit is sign */
-               data->delta_gain_code[i] =
-                       min(abs(delta_g), (long) CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
-
-               if (delta_g < 0)
-                       /*
-                        * set negative sign ...
-                        * note to Intel developers:  This is uCode API format,
-                        *   not the format of any internal device registers.
-                        *   Do not change this format for e.g. 6050 or similar
-                        *   devices.  Change format only if more resolution
-                        *   (i.e. more than 2 bits magnitude) is needed.
-                        */
-                       data->delta_gain_code[i] |= (1 << 2);
-       }
-
-       IWL_DEBUG_CALIB(priv, "Delta gains: ANT_B = %d  ANT_C = %d\n",
-                       data->delta_gain_code[1], data->delta_gain_code[2]);
-
-       if (!data->radio_write) {
-               struct iwl_calib_chain_noise_gain_cmd cmd;
-
-               memset(&cmd, 0, sizeof(cmd));
-
-               cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
-               cmd.hdr.first_group = 0;
-               cmd.hdr.groups_num = 1;
-               cmd.hdr.data_valid = 1;
-               cmd.delta_gain_1 = data->delta_gain_code[1];
-               cmd.delta_gain_2 = data->delta_gain_code[2];
-               iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
-                       sizeof(cmd), &cmd, NULL);
-
-               data->radio_write = 1;
-               data->state = IWL_CHAIN_NOISE_CALIBRATED;
-       }
-
-       data->chain_noise_a = 0;
-       data->chain_noise_b = 0;
-       data->chain_noise_c = 0;
-       data->chain_signal_a = 0;
-       data->chain_signal_b = 0;
-       data->chain_signal_c = 0;
-       data->beacon_count = 0;
-}
-
-static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
-{
-       struct iwl_chain_noise_data *data = &priv->chain_noise_data;
-       int ret;
-
-       if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
-               struct iwl_calib_chain_noise_reset_cmd cmd;
-               memset(&cmd, 0, sizeof(cmd));
-
-               cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
-               cmd.hdr.first_group = 0;
-               cmd.hdr.groups_num = 1;
-               cmd.hdr.data_valid = 1;
-               ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
-                                       sizeof(cmd), &cmd);
-               if (ret)
-                       IWL_ERR(priv,
-                               "Could not send REPLY_PHY_CALIBRATION_CMD\n");
-               data->state = IWL_CHAIN_NOISE_ACCUMULATE;
-               IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
-       }
-}
-
-void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
-                       __le32 *tx_flags)
-{
-       if ((info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
-           (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
-               *tx_flags |= TX_CMD_FLG_RTS_CTS_MSK;
-       else
-               *tx_flags &= ~TX_CMD_FLG_RTS_CTS_MSK;
-}
-
 static struct iwl_sensitivity_ranges iwl5000_sensitivity = {
        .min_nrg_cck = 95,
        .max_nrg_cck = 0, /* not used, set to 0 */
@@ -832,17 +730,6 @@ int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
        return 0;
 }
 
-u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
-{
-       u16 size = (u16)sizeof(struct iwl_addsta_cmd);
-       struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)data;
-       memcpy(addsta, cmd, size);
-       /* resrved in 5000 */
-       addsta->rate_n_flags = cpu_to_le16(0);
-       return size;
-}
-
-
 /*
  * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
  * must be called under priv->lock and mac access
@@ -1064,12 +951,6 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
                IWL_ERR(priv, "TODO:  Implement Tx ABORT REQUIRED!!!\n");
 }
 
-/* Currently 5000 is the superset of everything */
-u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len)
-{
-       return len;
-}
-
 void iwl5000_setup_deferred_work(struct iwl_priv *priv)
 {
        /* in 5000 the tx power calibration is done in uCode */
@@ -1093,52 +974,6 @@ int iwl5000_hw_valid_rtc_data_addr(u32 addr)
                (addr < IWL50_RTC_DATA_UPPER_BOUND);
 }
 
-static int iwl5000_send_rxon_assoc(struct iwl_priv *priv)
-{
-       int ret = 0;
-       struct iwl5000_rxon_assoc_cmd rxon_assoc;
-       const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-       const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
-
-       if ((rxon1->flags == rxon2->flags) &&
-           (rxon1->filter_flags == rxon2->filter_flags) &&
-           (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
-           (rxon1->ofdm_ht_single_stream_basic_rates ==
-            rxon2->ofdm_ht_single_stream_basic_rates) &&
-           (rxon1->ofdm_ht_dual_stream_basic_rates ==
-            rxon2->ofdm_ht_dual_stream_basic_rates) &&
-           (rxon1->ofdm_ht_triple_stream_basic_rates ==
-            rxon2->ofdm_ht_triple_stream_basic_rates) &&
-           (rxon1->acquisition_data == rxon2->acquisition_data) &&
-           (rxon1->rx_chain == rxon2->rx_chain) &&
-           (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
-               IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC.  Not resending.\n");
-               return 0;
-       }
-
-       rxon_assoc.flags = priv->staging_rxon.flags;
-       rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-       rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-       rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
-       rxon_assoc.reserved1 = 0;
-       rxon_assoc.reserved2 = 0;
-       rxon_assoc.reserved3 = 0;
-       rxon_assoc.ofdm_ht_single_stream_basic_rates =
-           priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
-       rxon_assoc.ofdm_ht_dual_stream_basic_rates =
-           priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
-       rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
-       rxon_assoc.ofdm_ht_triple_stream_basic_rates =
-                priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
-       rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
-
-       ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
-                                    sizeof(rxon_assoc), &rxon_assoc, NULL);
-       if (ret)
-               return ret;
-
-       return ret;
-}
 int  iwl5000_send_tx_power(struct iwl_priv *priv)
 {
        struct iwl5000_tx_power_dbm_cmd tx_power_cmd;
@@ -1194,61 +1029,6 @@ static void iwl5150_temperature(struct iwl_priv *priv)
        iwl_tt_handler(priv);
 }
 
-/* Calc max signal level (dBm) among 3 possible receivers */
-int iwl5000_calc_rssi(struct iwl_priv *priv,
-                            struct iwl_rx_phy_res *rx_resp)
-{
-       /* data from PHY/DSP regarding signal strength, etc.,
-        *   contents are always there, not configurable by host
-        */
-       struct iwl5000_non_cfg_phy *ncphy =
-               (struct iwl5000_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
-       u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
-       u8 agc;
-
-       val  = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_AGC_IDX]);
-       agc = (val & IWL50_OFDM_AGC_MSK) >> IWL50_OFDM_AGC_BIT_POS;
-
-       /* Find max rssi among 3 possible receivers.
-        * These values are measured by the digital signal processor (DSP).
-        * They should stay fairly constant even as the signal strength varies,
-        *   if the radio's automatic gain control (AGC) is working right.
-        * AGC value (see below) will provide the "interesting" info.
-        */
-       val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_AB_IDX]);
-       rssi_a = (val & IWL50_OFDM_RSSI_A_MSK) >> IWL50_OFDM_RSSI_A_BIT_POS;
-       rssi_b = (val & IWL50_OFDM_RSSI_B_MSK) >> IWL50_OFDM_RSSI_B_BIT_POS;
-       val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_C_IDX]);
-       rssi_c = (val & IWL50_OFDM_RSSI_C_MSK) >> IWL50_OFDM_RSSI_C_BIT_POS;
-
-       max_rssi = max_t(u32, rssi_a, rssi_b);
-       max_rssi = max_t(u32, max_rssi, rssi_c);
-
-       IWL_DEBUG_STATS(priv, "Rssi In A %d B %d C %d Max %d AGC dB %d\n",
-               rssi_a, rssi_b, rssi_c, max_rssi, agc);
-
-       /* dBm = max_rssi dB - agc dB - constant.
-        * Higher AGC (higher radio gain) means lower signal. */
-       return max_rssi - agc - IWL49_RSSI_OFFSET;
-}
-
-static int iwl5000_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
-{
-       struct iwl_tx_ant_config_cmd tx_ant_cmd = {
-         .valid = cpu_to_le32(valid_tx_ant),
-       };
-
-       if (IWL_UCODE_API(priv->ucode_ver) > 1) {
-               IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
-               return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD,
-                                       sizeof(struct iwl_tx_ant_config_cmd),
-                                       &tx_ant_cmd);
-       } else {
-               IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
-               return -EOPNOTSUPP;
-       }
-}
-
 static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 {
        struct iwl5000_channel_switch_cmd cmd;
@@ -1281,22 +1061,6 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
        return iwl_send_cmd_sync(priv, &hcmd);
 }
 
-struct iwl_hcmd_ops iwl5000_hcmd = {
-       .rxon_assoc = iwl5000_send_rxon_assoc,
-       .commit_rxon = iwl_commit_rxon,
-       .set_rxon_chain = iwl_set_rxon_chain,
-       .set_tx_ant = iwl5000_send_tx_ant_config,
-};
-
-struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
-       .get_hcmd_size = iwl5000_get_hcmd_size,
-       .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
-       .gain_computation = iwl5000_gain_computation,
-       .chain_noise_reset = iwl5000_chain_noise_reset,
-       .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
-       .calc_rssi = iwl5000_calc_rssi,
-};
-
 struct iwl_lib_ops iwl5000_lib = {
        .set_hw_params = iwl5000_hw_set_hw_params,
        .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
@@ -1415,16 +1179,16 @@ static struct iwl_lib_ops iwl5150_lib = {
 static const struct iwl_ops iwl5000_ops = {
        .ucode = &iwlagn_ucode,
        .lib = &iwl5000_lib,
-       .hcmd = &iwl5000_hcmd,
-       .utils = &iwl5000_hcmd_utils,
+       .hcmd = &iwlagn_hcmd,
+       .utils = &iwlagn_hcmd_utils,
        .led = &iwlagn_led_ops,
 };
 
 static const struct iwl_ops iwl5150_ops = {
        .ucode = &iwlagn_ucode,
        .lib = &iwl5150_lib,
-       .hcmd = &iwl5000_hcmd,
-       .utils = &iwl5000_hcmd_utils,
+       .hcmd = &iwlagn_hcmd,
+       .utils = &iwlagn_hcmd_utils,
        .led = &iwlagn_led_ops,
 };
 
index b729717..aff46b0 100644 (file)
@@ -286,8 +286,8 @@ static struct iwl_lib_ops iwl6000_lib = {
 static const struct iwl_ops iwl6000_ops = {
        .ucode = &iwlagn_ucode,
        .lib = &iwl6000_lib,
-       .hcmd = &iwl5000_hcmd,
-       .utils = &iwl5000_hcmd_utils,
+       .hcmd = &iwlagn_hcmd,
+       .utils = &iwlagn_hcmd_utils,
        .led = &iwlagn_led_ops,
 };
 
@@ -354,8 +354,8 @@ static struct iwl_lib_ops iwl6050_lib = {
 static const struct iwl_ops iwl6050_ops = {
        .ucode = &iwlagn_ucode,
        .lib = &iwl6050_lib,
-       .hcmd = &iwl5000_hcmd,
-       .utils = &iwl5000_hcmd_utils,
+       .hcmd = &iwlagn_hcmd,
+       .utils = &iwlagn_hcmd_utils,
        .led = &iwlagn_led_ops,
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
new file mode 100644 (file)
index 0000000..3ac010b
--- /dev/null
@@ -0,0 +1,274 @@
+/******************************************************************************
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+
+#include "iwl-dev.h"
+#include "iwl-core.h"
+#include "iwl-io.h"
+#include "iwl-5000-hw.h"
+
+static int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
+{
+       int ret = 0;
+       struct iwl5000_rxon_assoc_cmd rxon_assoc;
+       const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
+       const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+
+       if ((rxon1->flags == rxon2->flags) &&
+           (rxon1->filter_flags == rxon2->filter_flags) &&
+           (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
+           (rxon1->ofdm_ht_single_stream_basic_rates ==
+            rxon2->ofdm_ht_single_stream_basic_rates) &&
+           (rxon1->ofdm_ht_dual_stream_basic_rates ==
+            rxon2->ofdm_ht_dual_stream_basic_rates) &&
+           (rxon1->ofdm_ht_triple_stream_basic_rates ==
+            rxon2->ofdm_ht_triple_stream_basic_rates) &&
+           (rxon1->acquisition_data == rxon2->acquisition_data) &&
+           (rxon1->rx_chain == rxon2->rx_chain) &&
+           (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
+               IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC.  Not resending.\n");
+               return 0;
+       }
+
+       rxon_assoc.flags = priv->staging_rxon.flags;
+       rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
+       rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
+       rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+       rxon_assoc.reserved1 = 0;
+       rxon_assoc.reserved2 = 0;
+       rxon_assoc.reserved3 = 0;
+       rxon_assoc.ofdm_ht_single_stream_basic_rates =
+           priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
+       rxon_assoc.ofdm_ht_dual_stream_basic_rates =
+           priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
+       rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
+       rxon_assoc.ofdm_ht_triple_stream_basic_rates =
+                priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
+       rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
+
+       ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
+                                    sizeof(rxon_assoc), &rxon_assoc, NULL);
+       if (ret)
+               return ret;
+
+       return ret;
+}
+
+static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
+{
+       struct iwl_tx_ant_config_cmd tx_ant_cmd = {
+         .valid = cpu_to_le32(valid_tx_ant),
+       };
+
+       if (IWL_UCODE_API(priv->ucode_ver) > 1) {
+               IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
+               return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD,
+                                       sizeof(struct iwl_tx_ant_config_cmd),
+                                       &tx_ant_cmd);
+       } else {
+               IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
+               return -EOPNOTSUPP;
+       }
+}
+
+/* Currently this is the superset of everything */
+static u16 iwlagn_get_hcmd_size(u8 cmd_id, u16 len)
+{
+       return len;
+}
+
+static u16 iwlagn_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
+{
+       u16 size = (u16)sizeof(struct iwl_addsta_cmd);
+       struct iwl_addsta_cmd *addsta = (struct iwl_addsta_cmd *)data;
+       memcpy(addsta, cmd, size);
+       /* resrved in 5000 */
+       addsta->rate_n_flags = cpu_to_le16(0);
+       return size;
+}
+
+static void iwlagn_gain_computation(struct iwl_priv *priv,
+               u32 average_noise[NUM_RX_CHAINS],
+               u16 min_average_noise_antenna_i,
+               u32 min_average_noise,
+               u8 default_chain)
+{
+       int i;
+       s32 delta_g;
+       struct iwl_chain_noise_data *data = &priv->chain_noise_data;
+
+       /*
+        * Find Gain Code for the chains based on "default chain"
+        */
+       for (i = default_chain + 1; i < NUM_RX_CHAINS; i++) {
+               if ((data->disconn_array[i])) {
+                       data->delta_gain_code[i] = 0;
+                       continue;
+               }
+
+               delta_g = (priv->cfg->chain_noise_scale *
+                       ((s32)average_noise[default_chain] -
+                       (s32)average_noise[i])) / 1500;
+
+               /* bound gain by 2 bits value max, 3rd bit is sign */
+               data->delta_gain_code[i] =
+                       min(abs(delta_g), (long) CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
+
+               if (delta_g < 0)
+                       /*
+                        * set negative sign ...
+                        * note to Intel developers:  This is uCode API format,
+                        *   not the format of any internal device registers.
+                        *   Do not change this format for e.g. 6050 or similar
+                        *   devices.  Change format only if more resolution
+                        *   (i.e. more than 2 bits magnitude) is needed.
+                        */
+                       data->delta_gain_code[i] |= (1 << 2);
+       }
+
+       IWL_DEBUG_CALIB(priv, "Delta gains: ANT_B = %d  ANT_C = %d\n",
+                       data->delta_gain_code[1], data->delta_gain_code[2]);
+
+       if (!data->radio_write) {
+               struct iwl_calib_chain_noise_gain_cmd cmd;
+
+               memset(&cmd, 0, sizeof(cmd));
+
+               cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_GAIN_CMD;
+               cmd.hdr.first_group = 0;
+               cmd.hdr.groups_num = 1;
+               cmd.hdr.data_valid = 1;
+               cmd.delta_gain_1 = data->delta_gain_code[1];
+               cmd.delta_gain_2 = data->delta_gain_code[2];
+               iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
+                       sizeof(cmd), &cmd, NULL);
+
+               data->radio_write = 1;
+               data->state = IWL_CHAIN_NOISE_CALIBRATED;
+       }
+
+       data->chain_noise_a = 0;
+       data->chain_noise_b = 0;
+       data->chain_noise_c = 0;
+       data->chain_signal_a = 0;
+       data->chain_signal_b = 0;
+       data->chain_signal_c = 0;
+       data->beacon_count = 0;
+}
+
+static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
+{
+       struct iwl_chain_noise_data *data = &priv->chain_noise_data;
+       int ret;
+
+       if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
+               struct iwl_calib_chain_noise_reset_cmd cmd;
+               memset(&cmd, 0, sizeof(cmd));
+
+               cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
+               cmd.hdr.first_group = 0;
+               cmd.hdr.groups_num = 1;
+               cmd.hdr.data_valid = 1;
+               ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+                                       sizeof(cmd), &cmd);
+               if (ret)
+                       IWL_ERR(priv,
+                               "Could not send REPLY_PHY_CALIBRATION_CMD\n");
+               data->state = IWL_CHAIN_NOISE_ACCUMULATE;
+               IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
+       }
+}
+
+static void iwlagn_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+                       __le32 *tx_flags)
+{
+       if ((info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+           (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
+               *tx_flags |= TX_CMD_FLG_RTS_CTS_MSK;
+       else
+               *tx_flags &= ~TX_CMD_FLG_RTS_CTS_MSK;
+}
+
+/* Calc max signal level (dBm) among 3 possible receivers */
+static int iwlagn_calc_rssi(struct iwl_priv *priv,
+                            struct iwl_rx_phy_res *rx_resp)
+{
+       /* data from PHY/DSP regarding signal strength, etc.,
+        *   contents are always there, not configurable by host
+        */
+       struct iwl5000_non_cfg_phy *ncphy =
+               (struct iwl5000_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
+       u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
+       u8 agc;
+
+       val  = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_AGC_IDX]);
+       agc = (val & IWL50_OFDM_AGC_MSK) >> IWL50_OFDM_AGC_BIT_POS;
+
+       /* Find max rssi among 3 possible receivers.
+        * These values are measured by the digital signal processor (DSP).
+        * They should stay fairly constant even as the signal strength varies,
+        *   if the radio's automatic gain control (AGC) is working right.
+        * AGC value (see below) will provide the "interesting" info.
+        */
+       val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_AB_IDX]);
+       rssi_a = (val & IWL50_OFDM_RSSI_A_MSK) >> IWL50_OFDM_RSSI_A_BIT_POS;
+       rssi_b = (val & IWL50_OFDM_RSSI_B_MSK) >> IWL50_OFDM_RSSI_B_BIT_POS;
+       val = le32_to_cpu(ncphy->non_cfg_phy[IWL50_RX_RES_RSSI_C_IDX]);
+       rssi_c = (val & IWL50_OFDM_RSSI_C_MSK) >> IWL50_OFDM_RSSI_C_BIT_POS;
+
+       max_rssi = max_t(u32, rssi_a, rssi_b);
+       max_rssi = max_t(u32, max_rssi, rssi_c);
+
+       IWL_DEBUG_STATS(priv, "Rssi In A %d B %d C %d Max %d AGC dB %d\n",
+               rssi_a, rssi_b, rssi_c, max_rssi, agc);
+
+       /* dBm = max_rssi dB - agc dB - constant.
+        * Higher AGC (higher radio gain) means lower signal. */
+       return max_rssi - agc - IWL49_RSSI_OFFSET;
+}
+
+struct iwl_hcmd_ops iwlagn_hcmd = {
+       .rxon_assoc = iwlagn_send_rxon_assoc,
+       .commit_rxon = iwl_commit_rxon,
+       .set_rxon_chain = iwl_set_rxon_chain,
+       .set_tx_ant = iwlagn_send_tx_ant_config,
+};
+
+struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = {
+       .get_hcmd_size = iwlagn_get_hcmd_size,
+       .build_addsta_hcmd = iwlagn_build_addsta_hcmd,
+       .gain_computation = iwlagn_gain_computation,
+       .chain_noise_reset = iwlagn_chain_noise_reset,
+       .rts_tx_cmd_flag = iwlagn_rts_tx_cmd_flag,
+       .calc_rssi = iwlagn_calc_rssi,
+};
index 5af528d..51e49df 100644 (file)
@@ -66,6 +66,8 @@
 #include "iwl-dev.h"
 
 extern struct iwl_ucode_ops iwlagn_ucode;
+extern struct iwl_hcmd_ops iwlagn_hcmd;
+extern struct iwl_hcmd_utils_ops iwlagn_hcmd_utils;
 
 int iwl_reset_ict(struct iwl_priv *priv);
 void iwl_disable_ict(struct iwl_priv *priv);